#!/bin/bash

#
# Copyright (C) 2011 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="mkfs doubles"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"

ts_check_test_command "$TS_CMD_MKCRAMFS"
ts_check_test_command "$TS_CMD_MOUNT"
ts_check_test_command "$TS_CMD_UMOUNT"

ts_skip_nonroot
ts_check_losetup

ORIGPWD=$(pwd)
IMAGE_NAME="${TS_TESTNAME}.img"
IMAGE_PATH="$TS_OUTDIR/$IMAGE_NAME"
IMAGE_SRC="$TS_OUTDIR/${TS_TESTNAME}-data"

ts_log "create mountpoint dir"
[ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT

rm -rf "$IMAGE_SRC"
mkdir -m 755 -p $IMAGE_SRC

umask 133

echo hello > $IMAGE_SRC/a
echo hello > $IMAGE_SRC/b

# sudo may use whatever group
chgrp -R 0 "$IMAGE_SRC"

ts_log "create cramfs image"
$TS_CMD_MKCRAMFS $IMAGE_SRC $IMAGE_PATH >> $TS_OUTPUT 2>> $TS_ERRLOG
[ -s "$IMAGE_PATH" ] || ts_die "Cannot create $IMAGE_PATH"

ts_mount "cramfs" -r $IMAGE_PATH $TS_MOUNTPOINT

# check it
ts_is_mounted $TS_MOUNTPOINT || ts_die "Cannot find $TS_MOUNTPOINT in /proc/mounts"

ts_log "umount the image"
$TS_CMD_UMOUNT $TS_MOUNTPOINT
ts_finalize

